Take advantage of multi files COPY to simplify Dockerfile

Move scripts under scripts dir and config files under config dir,
then copy everything at the same time when possible.
Also no need to specify ./ with COPY, the default path is always
in the source dir.

Dockerfile

@@ -45,29 +45,17 @@ COPY --from=builder /tmp/ipxe/src/bin/undionly.kpxe /tmp/ipxe/src/bin-x86_64-efi
 
 COPY --from=builder /tmp/esp.img /tmp/uefi_esp.img
 
-COPY ./ironic.conf.j2 /etc/ironic/ironic.conf.j2
+COPY config/ironic.conf.j2 /etc/ironic/
 
-COPY ./runironic-api.sh /bin/runironic-api
-COPY ./runironic-conductor.sh /bin/runironic-conductor
-COPY ./runironic-exporter.sh /bin/runironic-exporter
-COPY ./rundnsmasq.sh /bin/rundnsmasq
-COPY ./runhttpd.sh /bin/runhttpd
-COPY ./runmariadb.sh /bin/runmariadb
-COPY ./configure-ironic.sh /bin/configure-ironic.sh
-COPY ./ironic-common.sh /bin/ironic-common.sh
-COPY ./runlogwatch.sh /bin/runlogwatch.sh
-
-# TODO(dtantsur): remove this script when we stop supporting running both
-# API and conductor processes via one entry point.
-COPY ./runironic.sh /bin/runironic
-
-COPY ./dnsmasq.conf.j2 /etc/dnsmasq.conf.j2
-COPY ./inspector.ipxe.j2 /tmp/inspector.ipxe.j2
-COPY ./dualboot.ipxe /tmp/dualboot.ipxe
+# TODO(dtantsur): remove scripts/runironic script when we stop supporting
+# running both API and conductor processes via one entry point.
+COPY scripts/ /bin/
+COPY config/dnsmasq.conf.j2 /etc/
+COPY config/inspector.ipxe.j2 config/dualboot.ipxe /tmp/
 
 # Custom httpd config, removes all but the bare minimum needed modules
 RUN rm -f /etc/httpd/conf.d/autoindex.conf /etc/httpd/conf.d/welcome.conf /etc/httpd/conf.modules.d/*.conf
-COPY ./httpd.conf /etc/httpd/conf.d/httpd.conf
-COPY ./httpd-modules.conf /etc/httpd/conf.modules.d/httpd-modules.conf
+COPY config/httpd.conf /etc/httpd/conf.d/
+COPY config/httpd-modules.conf /etc/httpd/conf.modules.d/
 
 ENTRYPOINT ["/bin/runironic"]